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发电塔是小浪底工程进水塔群的重要组成部分。由于黄河汛期泥沙含量大、污物多，发电洞的引水要充分考虑防沙、排污问题。根据发电塔中发电洞与排沙洞进水口的相互关系及在进水塔群中的位置、作用，在大量模型试验和已建工程经验的基础上，通过水力学分析、论证表明，发电洞与排沙洞进水口集中布置于一个塔且上下垂直对应，高程相差20M，两者联合运用，能够满足电站汛期与非汛期的正常发电要求。
Power tower is Xiaolangdi project intake tower group an important part. As the Yellow River flood season sediment content, dirt, water diversion holes to give full consideration to sand control, sewage problems. Based on the correlation between power generation holes in the power generation tower and the water intake of the sand discharge tunnel and the position and function in the water intake tower group, based on a large number of model tests and construction experience, through hydraulic analysis, And sediment intake holes arranged in a centralized arrangement of a vertical tower and up and down, the elevation difference of 20M, a combination of the two to meet the power plant flood season and non-flood season of normal power generation requirements.